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The three most common technologies include crankcase vent filters, diesel oxidation catalysts and diesel particulate filters. 8-liter clean diesel engine, featuring a variable geometry (VG) turbocharger for optimum boost control and a diesel oxidation catalyst (DOC) with diesel particulate filter (DPF) in the exhaust system for compliance with Europe's Euro 5 emission standards. Diesel oxidation catalysts can reduce emissions by 20 to 40 percent, depending on the pollutant. |
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